DS1731U+ Maxim Integrated Products, DS1731U+ Datasheet - Page 6

• Manufacturer Part Number: DS1731U+
• Description: IC THERMOMETER/THERMOSTAT 8MSOP
• Manufacturer: Maxim Integrated Products

Specifications of DS1731U+

• Function: Thermometer, Thermostat
• Topology: ADC (Sigma Delta), Comparator, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: Yes
• Output Fan: No
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Full Temp Accuracy: +/- 1 C
• Digital Output - Bus Interface: 2-Wire, I2C
• Digital Output - Number Of Bits: 12 bit
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 55 C
• Ic Output Type: Digital
• Sensing Accuracy Range: ± 2°C
• Supply Current: 1.25mA
• Supply Voltage Range: 2.7V To 5.5V
• Resolution (bits): 12bit
• Sensor Case Style: µSOP
• No. Of Pins: 8
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Accuracy %: 1°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

EEPROM AC ELECTRICAL CHARACTERISTICS
Figure 2. TYPICAL OPERATING CURVES
Figure 3. TIMING DIAGRAM
All timing is referenced to 0.9 x V
-0.2
-0.4
-0.6
-0.8
0.8
0.6
0.4
0.2
EEPROM Write Cycle Time
EEPROM Writes
EEPROM Data Retention
0
0
PARAMETER
REFERENCE TEMPERATURE (°C)
10
-3 σ
Mean
20
DS1631/DS1631A
+3 σ
30
40
DD
SYMBOL
50
N
and 0.1 x V
t
EEDR
EEWR
t
wr
60
70
DD
-55°C to +55°C
-55°C to +55°C
CONDITION
6 of 15
(V
.
DD
= 2.7V to 5.5V; T
-0.2
-0.4
-0.6
-0.8
0.8
0.6
0.4
0.2
0
-10
-3 σ
0
MIN
50k
10
REFERENCE TEMPERATURE (°C)
10
Mean
A
20
TYP
= -55°C to +125°C.)
4
DS1731
DS1631/DS1631A/DS1731
+3 σ
30
MAX
40
10
50
UNITS
Writes
Years
60
ms
70
80